Step 1 search type step 2 select the target object step 3. If you enter an areaofinterest aoi smaller than the full sensor size, the calculator will assume the aoi is centered on the sensor, and. Then drag sliders or enter values into fields to update results. Most cctv applications use a fixedfocallength lens, which, like your eyes lens, covers a constant angular field of view. The midas lens calculator lets you calculate the parameters of your optics and lenses, pick your focal length, and calculate your working distance, object distance, field of view, depth of focus and more. Most cctv applications use a fixedfocallength ffl lens, which, like your eyes lens. The magnification of an object is the ratio of the height of the image h i where you can see the height of the actual object is being magnified h o.
The canon ef 28300mm is lens has a zoom range of 10. The higher the focal length the farther your target object can be. Cctv lens calculatorsimulator choosing the correct lenses for your security cameras is an important aspect of designing an effective video surveillance system. Use our online thermal camera and lens calculator to find the best camera and lens combination for your thermal infrared application andor field.
Whether it is a fixed focal lens, varifocal lens or zoom lens, the mount type must match on both your lens and camera. Cctv lens calculator new generation of lens calculators. If the camera is installed outside, it is recommended that you use autoiris lens. Calculate field of view, focal length or object distance by providing the other two properties. If you are unable to connect, please contact your network administrator and request that those addresses be whitelisted.
Focal lengths of digital camera lenses are listed here. Calculate lens millimeter selection according to area size the field of view calculator or fov is used to help predetermine proper lens selection prior to installation. Cctv lens field of view calculator the function of the lens is to collect light reflected from the scene and focus it into an image onto the cctv camera sensor. Mystique install camera calculator mystique install camera calculator. And, since it knows your camera model, it will help you minimize motion blur and other. Click the calculator icon next to the value you wish to calculate. Actual thickness may vary depending upon the specific lens and frame style. On field of view and lens focal length tab you can use builtin lens calculator to calculate the cctv lens focal length, camera field of view, pixel density at specified distance and clearly see areas of identification red, recognition yellow, detection green and monitoring blue on the drawing. The best lens calculator software is your muchneeded modern tool that helps you create the best lens in all segments. Lens calculator calculate field of view, focal length or object distance by providing the other two properties. A cctv lens calculator can help you figure out what type of lens you need on your security camera. The calculator determines the microscope field of view from the known magnification of the objective lens and the field number of the eyepiece ocular lens. The best lens calculator software also functions as a broadcast lens calculator helping to figure out the broadcast quality of an imaging device like camera and the axis lens calculator aids in computing the axis of the lens. It can also be used to calculate the field of view for a higher power magnification if a lower power magnification field of view is known and to estimate the size of a specimen observed.
The calculation result is from the lens center of projector. The calculated values give an indication for the selection of a lens. Microscope magnification and field of view calculator. Focal length, usually represented in millimeters mm, is the basic description of a photographic lens. Axis lens calculator calculates camera coverage and pixel density at different distances from the camera. The lens selector tool only applies to the condition when object distance is much farther than image. Lens focal length calculation cctv calculator is a tool designated for camera system basic parameters determination and testing. The other two textboxes will fill when you click calculate. Cctv camera lens calculator the function of the camera lens is to collect light reflected from the scene and focus it into an image onto the cctv camera sensor. Please enter your criteria and well show you suitable lens models. Best lens calculator software lenstech opticals pvt ltd.
The sensor size refers to the size of the imager array. Step 2 enter any 2 of the 3 other pieces of information. Below is the online magnification equation calculator based on the image distance d i and object distance d o. The actual working of this software is based on the same fundamental principles as the previous simple tools, but with the cctv lens calculator not only can you calculate the viewing area or focal length, but also see the actual field of view in a horizontal and vertical projections, put test persons, test objects and walls and immediately get. The field of view calculator or fov is used to help predetermine proper lens selection prior to installation. Field of view is of course an angle which depends on the focal length and sensor size, but it also computes dimensional field of view size at some specific distance, like at the subject distance, or at a background distance. In addition to typical lens calculator functions, our calculator allows to calculate pixel density and face width in pixels as well as to get bandwidth and storage estimation for motion jpeg, jpeg2000, mpeg4 and h. Cctv calculator is a tool designated for camera system basic parameters determination and testing. It does give some indication of the amount of zoom that is available, but you need to where that zoom starts to compare two cameras ie 2060mm and 3090mm would both be 3x, but the two are quite different. The normal focal length of an objective lens is 3660 mm.
A formula that is easier for me at least to calculate in my head is to divide the focal length by 100 and multiply by 2. Calculated results are shown on a yellow background. The calculator will automatically adjust for any focal length multiplier or field of view crop for the selected camera. Not sure which camera and lens combination would suit your specific circumstance the best. Choosing the incorrect size will have an adverse effect on the field of view calculations, so be sure and check your camera specifications for the correct size. If you are using the lens simulator on a product page, this value will be preset for you. This tool helps during the fitting procedure of soft and gas permeable contact lenses spherical and toric even in cases of irregular cornea due to keratoconus, because with is simple to know the first diagnostic lens parameters, reducing practitioner. The shorter the focal length of the lens the wider the angle of view and the closer your target object can be. Cctv security camera lens calculator and view simulator. The minimum operating distance mod of the lens is not considered in the calculation. To get the binocularlike viewfinder magnification value of a lens, divide the focal length by 50. It enables easy calculation of an appropriate lens focal length, camera viewing angle, ip camera bandwith, storage capacity for records archiving and of other camera system parameters.
This calculator computes the field of view seen by your camera and lens. Lenses having focal lengths of 6, 8, 12, 16, 25, 35 and 50 mm are commonly available. It is not a measurement of the actual length of a lens, but a calculation of an optical distance from the point where light rays converge to form a sharp image of an object to the digital sensor or 35mm film at the focal plane in the camera. The cmount lens specification for flange back distance is 17.
This surveillence lens calculator will help you determine the appropriate chipsets and distances for your cctv application. The actually image quality and possibility to recognize or identify a person or object depend on factors such as object motion. Simply input your focal length, sensor size, and max aperture and well give you what the 35mm equivalent is of that configuration. In an effort to guide your decision, we have created this handy cctv lens calculator and view simulator. Enter the focal length in millimeters in the column and click calculate.
A powerful tool to help you determine the cinema projector, lamp and lens combination that works best for your theatre. Lens magnification calculator magnification equation. Lenses with smaller values are called wideangle lens, such with larger telephoto lens. Focal length measured in mm the distance from the center of a lens to the focal. Using a shorter focal length lens decreases your working distance and therefore captures more light, but the resulting image will be more distorted. The reverse lens calculator calculates new magnification, new closest focusing distance and effective fstop with reverse lens setup on extension. Depth of field dof, angle of view, and equivalent lens. That stationary distance between the lens and the point of focus is known as the focal length fl of that particular lens. Lightmachinery releases third generation of online optical design software. We provide free of charge consulting about lenses, illumination, optical components and smart cameras.
24 381 397 1327 901 321 339 1501 1254 816 1429 127 1253 981 996 504 997 360 598 1129 899 1414 379 572 876 1166 554 1541 242 903 1280 335 1450 826 993 157 1390 1481 559 152 326 1488 1414 84 620 656 1104 340 877